Hasn't been judged so not a murderer.
Also the actions of whomever killed the CEO did strike enough fear in insurance companies at the time that there was an influx of claim approvals which led to people actually getting care they needed which is pretty fucking heroic.
Also the guy died committed grave institutional horrors and removing his option to do so was a good thing which we need more of.
Why was there a US Coastguard ship off the UK coast?
Why is the US intercepting other countries boats in international waters?
Why is this being handled as an immigration case if the boat crew was not trying to immigrate?
Why would this fall under the jurisdiction of the US if none of the countries involved are the US and whatever happened wasn't in US' waters with the seizure itself happening in international waters?